Surface portion of an electrical switch



FIG. 1 is a front, bottom and right side perspective view a surfaceportion of an electrical switch showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines are for environmental purposes only and form no part ofthe claimed design. The characteristic feature of the design resides inthe longitudinal and transverse concavities of the outer surface portionof the electrical switch.

The ornamental design for a surface portion of an electrical switch, asshown and described.